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shoaling fish

  1. How do I build a shoal?

    Beginner Freshwater Aquarium
    My 20-gal tank is recently cycled (knock-wood), so I'm planning to add new inhabitants over the next few months. Many of the species I favor are shoaling fish (e.g. Corys), so I'm anticipating a minimum of five individuals. But I'm curious about how to build that community without shocking the...
  2. longstanding finrot problem

    Tropical Fish Diseases
    I suppose I ought to start this post with some background on my tank and fishkeeping skills before anything else, since it's highly likely people who haven't been following my discussions on this site over the years may read this post. Tank size: 15 gallons established since: June 2010 temp: 26...
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